<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/AggregateOffer>
<http://www.pricegrabber.com/books/books++harpercollins-publishers-kitchen-confidential-adventures-in-the-culina/m-960402227/?ut=36a1e5dc0944f4ac>